Four Asteroids Buzz Earth in Single Week

Four Asteroids Buzz Earth in Single WeekIn the last seven days, an asteroid the size of a city block and three smaller space rocks have zoomed safely by Earth, the latest demonstration that we live in a solar system that some scientists have dubbed a “cosmic shooting gallery.”

Earth gets a rush of weekend asteroid visitors

NASA handout image of the passage of asteroid 2012 DA14 through the Earth-moon systemCAPE CANAVERAL, Fla., March 9 – An asteroid as big as a city block shot relatively close by the Earth on Saturday, the latest in a series of visiting celestial objects including an asteroid the size of a bus that exploded over Russia last month, injuring 1,500. Discovered just six days ago, the 460-foot long (140-meter) Asteroid 2013 ET passed about 600,000 miles from Earth at 3:30 p.m. EST. That’s about 2-1/2 times as far as the moon, fairly close on a cosmic yardstick. …